Last



me a, 1924; 1,496,100 J., c. LTER lune 3; 1924. 1,496,100

i J. c. ASCHELTER LAST Filed June 4. 1921 2 Sheets-Sheet 2 ATTORNEYS.

l heel pnrt and the toe part nre'movehly oonshowing the look'liordetentdepressed prior a last with n lockt-or detentwhioh is positivethe piirpose 'of freeing the detent yfrom its Patented exinitie 3, i924. l 1949,31

JOHN o. Sonn-LTER., on eiTTsnonn, NEW Yonai.

LAST. l

yApplication l/edpvl'vune 4, A eiial ENO. 4:74,@9.

T0 all/whom t Win23,/ ooncmrn: consists of certain part-s and combinations 55 Be it known that l, JOHN C. SCHELTER, n of prts, 'all' oft whieh will 'be hereintter deoitizen of lthe United Stateannd resident of scribed, the novel tentures being 4pointedout Pittsford, in the county of Monroe Aand State in the appended claims.

5 ot New York, have invented certain new In the'drztwings'z end useful improvements in Lasts, of which il is ''veittieal section through a last the following is 'zi specification. i Y show'ngtheltter looked in expended posi- The presentinvention relates to lasts and tion;A v 1' i more pertionlairly tor the type in which the '2 is n fragmentary sectional view neoted together eo that the last m'ay'beooh tothe oollt'pseotf'the"liest; 1

lapsed 'for the purpose or insertingit -into Fi'gl' iswltrgmentnry sectional view or of removing` it from 'a shoe. showing the mnner kin "which thevdetent or ein ohjoot of this invention is to provide loolo'operates'4 with a stop or abutment for ly vheld out ot engagement 'with nn' abutlooked dpres'sedgposition; ment with which it ooo'perntes to hold elast Fig. lis n"seotionalgview showing the last expanded. Another object 'oit the invention ooll'psed at, r the look or detentl has been is to provide nfloel; or detent which is mov treed to the to in otite spring;

able to enenoe it .tinted )nrt on the lest art Fiotf is 'zrview showin@ the manner in C t! 1 h on which the look or detent is mounted. A WhCh the' datent and bondingmember nre 75 still turther object ot the invention is to prolild'togiether prior to heilig inserted "in the vide a bonding means rigidly seouredto the hist; Y "T" pui-t onwhich e' detent is movfilolyinounted Y- v"Fig 6 is an edge view ot the parts shown ind having a fixed portion vwith whioh the in Figf; sind"l detent may engage when moved 'from lol- Fig. 7' detail View ,showing the adjustso ing position so" as to loe held vpositively a'blepihorihiitmeht.

:away trom looking position, /piovision "lifhilllted-enlbOdDlGD Of the i11- loeing" mede on 4the other member 'of VehtiO'iiv there .is provided two lest parte o the/"lest"- which will efteot automttioelly mimely; n'`h'eelpert l anda toe part' The this connection between theH detent`v or t'WO" palts'i'aeheld toffether Ah v a bonding e5 lool; and the fixed part of the bontmeans which, inf this instance, comprises a ino; ineens on: the movement of the lest to plete' iselured' in a hert' `5 in the h'eel part hv collapsed position. Another and further trens'versely"retained p'ins 6; the bonding; ohjeot of the invention is to provide n detent B19/'M15 bllgf'etded byOlid the heel part or look which has two movements', onein ltoeder 'Tforinedin the' opposite tenes o0 pivoted movement toward and romnnnhutf'thetoe part This prejecting'V portion ment tor lookin@l the lest in en expended hes 'a pivot pin 3 etendino,` therethrough, oondition, end the other e sliding; movement .the pivot pin bridging the rhert VT,

40 with reference to its axis of turning 'to' 'canse The li'lst'f'parts' may out above the pivot seid detent or look to he heldout of enpin to"pi"ovide a Space 8 yand'cooperating; 95 gngement with the nlnitment. Still another feces 9` 'end l() re'provided respectively on and 'further ohjeot ot the invention is to prothe heeltnd toe' part concentric Awith the vide :in interlockingmeans between n loeliot turning between the parts to provide -15 inkl (letent und :t bonding; member which greater 'he'airing "surtnoel between the last will hold the detent out ot oi'ioperzition with parts; Shoulders 1l mayY he formed on the 100 :in :iliutn'xeiit with which it engages'to loeli heel Aand the" toe partto limit the swinging* the lust Iin expended Condition. Another inovement'ot'th'e parte inf'one direction.

:ind still 'turther ohjeot ot the invention is to Thel'iolingv ofthe'last in expended posiprovide nn improved construction hvwvhioh tion 'may beetfeoted through a look or detent the detent und houding' inenilier nre held, tolkiThisloel" or detent has two movements lor ether so th :it the)v may he simultaneously one intoend ont of eooperation with an abuttitted to the lust. ment piece 1 3, which will hereinefter'be more To these and other ends, the invention pitieularly described, and the other Jfor the purpose of effecting a locking of the detent outI of cooperation with the abutment, so that -the last may be maintained unlocked while in an expanded condition. In this instance, the detent has a pivoted as well as having a bodily or sliding movement, this result in this embodiment being secured by bridging the lerf 5 with a pivot pin 14 and providing the detent with a slot 15. A shoulder 16 is provided on the upper side of the detent and this shoulder is adapted to engage with the abutment piece 13 in the manner illustrated in Fig. 1, thereby .preventing the collapsing of the last. In order to collapse a last the detent is depressed, and with the end in view of maintaining this depressed position a loeling device is employed preferably in the form of a shoulder or abutment 17 formed, in this instance, on the bonding plate 4. With this shoulder a shoulder 18 on the detent engages, the sliding or bodily movement of the detent permitting such engagement. In order to effect such engagement the detent has a face 19 which cooperates with an inclined or cam face 20 on the bonding piece 4 leading -to the shoulder 17, this cooperation taking place on the depression of the detent or lock. A helical spring 21 acts on the detent to move the latter toward locking position and also to maintain the detent locked in depressed position. This helical spring, in this instance, has an abutment with a projection 22 on the detent, and an abutment at 23 with the bonding plate or member 4, pressure of the spring being in the direction to move the detent bodily towards its axis of turning as well as to swing said detent about said axis.

With the end in view of effecting automatically the release of the detent from its locking device when the last is collapsed, so that, on the expansion of the last, the detent will, under the action of the spring, move into cooperative relation with the abutment 13, there is provided a suitable means, such as a stop or abutment 24 in the form of a pin, bridging the kerf 7 in front of the pivot 3, and this pin or abutment 24 cooperates with the face 19 of the detent 12 on the latter part of the collapsing movement of the last, as illustrated in Fig. 3. A farther movement of the last shifts the detent 12 out of engagement with the locking shoulder 17 and permits the detent under the action of the spring 21 to move upwardly until the .surface 25 of the detent cooperates with the abutment 13 in the manner illustrated in Fig. 4. It follows that upon the expansion of the last, the surface 25 will ride along the under side of the abutment 13 until the shoulder 16 is reached when said detent will again move upwardly to bring the shoulder 16 in abutment with the abutment 13, as illus trated in Fig. 1.

In this embodiment the bonding member 4 and the detent 12 are formed from metal plate material, and these two parts lie in a singular plane within the lrerfs 5 and 7, the detent being slightly thinner than the bonding member 4 so that it has freedom of movement in the kerfs. rilhe bonding member 4 preferably has a recess 4a in which the pivot end of the detent 12 projects, the portion 4b above the recess acting as a filler for the kerf 5 above the detent. rlhe under side of this portion 4b or the top wall of the recess 4 also enables the detent and the bonding member to be connected in the manner illustrated in Fig. 5, so that the detent and the bonding plate may be simultaneously inserted in the kerfs of the last. It is necessary in order to hold the parts together that the spring 21 exert a pressure on the detent to maintain the upper surface of the latter adjacent with the pivot in cooperation with the top wall of the recess 4a while the detent engages with the abutment or shoulder 17. After the parts have been inserted in the kerfs the insertion of the pivot pin 14 through the detent 12 will destroy this cooperation and permit the swinging of the detent 12 free of any engagement with the bonding member adjacent to the pivot of the detent.

The abutment 13 is adjustable to compensate for wear between such abutment and the detent 12 and to this' end this abutment is mounted in notches cut in the front face of the recess on opposite sides of the kerf. The abutment has its abutment fare 131L tapered from one end of the abutment piece to the other and by the longitudinal adjustment of the abutment piece a portion of this abutting face 13a is brought into position for cooperation with the detent and in this way provision is made for compensation for wear between the detent and the abutment piece. Fins 13b pass through the abutment piece 13 into the fore part 7 of the last and secure the abutment piece in its adjusted position.

The operation of the invention will be understood from the foregoing but it may be summarized as follows: l

Assuming that the last parts are in the positions shown in Fig. 1 and it is desired to collapse the last; downward pressure is applied on the detent 12 until the detent interloclrs with the bonding member 4. The last may be held in this unlocked position anyV desired length of time and upon being collapsed the detent will cooperate with the stop or abutment 24, shown in Fig. 3, causing the release of the detent from the bonding member so that when the last is expanded the de* tent will reengage with the abutment 13.

From the foregoing it will be seen that there has been provided a locking detent which is positively held out of locking position after being manually shifted out of locking position. lThis detent is furthei1A more automatically released upon the collli expanded position. The detent has two inovements,`one towardV andfrom the abutment preferably a pivot movement and the other into and out offposition Where it may beheld positively against return to the locking position, the latter movement, lin this instance, being effected' through the slidingor shifting ofthe detent with reference 'to its turning axis. The means for locking the detent out of locking position is preferably effected by establishing interlocking relation between the Adetent and a bonding member, Which is rigidly secured to a last part on Which theJ detent is mounted. The spring-acts on the detent to hold the latter in detaining position` and also to hold the detent interlocked withlthebonding plateor member, nand When thedetent is in detain'ingv positioirvthe spring prevents `the interlocking 'except `on'compress'ion of the spring; The detent andthe Vbondingl member-listin one plane and the detent is slightly thinner `than the bondingV` member so that binding thereof infthe lrerfs can notv take place. vThe abutment vvith Which the detent cooperates is adjustable 1to compensate for Wear between thel abutment and the detent. The ,last is inexpensive to manufacture, simple in operation and durable in use.

What I claim as my invention and desire to secure by Letters yPatent is:

1.1151 last comprising two last parts, a bonding'member rigidly secured to' one of said :last parts and 'pivotally connected with the other fsaid last parts, adetent mounted on thevpart to which thebonding member is rigidly secured, ain abutment mounted on the' other "of said last parts, and cooperating portions on the bondingmember and the detent for holding the detent out of interlocking relation Withfthe labutment. Y

2. A last comprisingtwo last parts, a detent mounted on one of saidlast parts, an abutment mounted on the other of said last parts for cooperating Withuthe detent to lock the last inan expanded position, means movable With v the last part on Which 4the detent is'imounted for cooperating With the Vdetent to hold the latter out of locking relation With the abutment, and means mounted 'on the last part, that carries the abutment for cooperation with the detent in order to effect the release of the latter upon the collapsing of the last.

3Q 'A last comprising tWo last parts, a bonding member rigidly secured to; one of said last parts and pivotallyconnected to the. other of said last parts, an abutment on said last mentioned last part, a "detent mounted upon the last part to Which the l bonding member is rigidly secured, cooperating portions on the detent and the bonding member for holding the detent out of lock` ing relation with the abutment, and a stop on the last part carrying the abutment for cooperating* With the detent in order to effect the release of thedetent from the bonding member `\,vh"en thelast is collapsed.

'efr-ilast comprising 'two last parts movably connected together, an abutment on one of said lastfparts, adetent on the other of said last partshaving a pivoted and a sliding movement, and means for cooperating with thedetent for :eifecting sliding movement of the detent upon the depression of the latter andfor holding said detent out of locking relation with the abutment and means cooperating With the detent for effecting a sliding movement of said detent to release the latter.

'5f A last comprising tvvo relatively movable last'parts, anabutment mounted on one ofsaid last parts, a detent mounted on the other of said last parts and adapted to coopera-te with said abutment to preventthe colapsing ofthe last, a part iiXed to the last partfon which the ydetent is'mounted, said part, being adapted to vcooperate with the detent to hold' the latter out of locking relation With the abutment, and means mounted on the last part on which the abutment is arranged for cooperating with the detent to effect the movement ofthe latter out of cooperation With the iirst part.

' 6. A last comprisingtwo last parts having opposed kerfs, a bonding member rigidly secured in the kerf of one of said parts and pivotally mounted in the kerf of the other of said parts, a detent pivotally mounted in the kerf ofthe part to which the bonding member is rigidly secured,"an abutment secured to "the other' of ysaid parts and cooperating portions on the bonding member and the detent for holding the detent out of locking 'relation With the abutment.

,7. A'A ylast comprising two last parts having opposedlkerfs, a bonding member rigidly secured inthe kerf of one of said parts andfpivotally mounted in the kerf of the other 'of said parts, a detent pivotally mountedinfthe kerf of the part to which the bonding member. is rigidly secured, an abutment secured zto the other of said parts, cooperatingfportions on the bonding member and the detent for ,holding the detent out'of locking `relation with the abutment, and

means for cooperating vvith said detent to release the same from the bonding' member upon thefcollapsing'of 'the last so that the detent may be in` a position to cooperate vvith the abutment upon the expansion of the last.

t 8. In combination vvith a bonding member provided vvith.v a recess, a detent having aportion arranged insa-id recess and a 'portion interlocking'vvith the bonding member, and aspring'ar'ranged between the bonding member and the detent for holding the deeasy tent in engagement with one wall of the recess and the interlocking portions in engagement.

9. A last comprising two last parts each provided with a kerf, the opposed faces of last parts being cut to provide aspace be tween such parts when the last is in eX- panded position, an abutment carried by one of the last parts, a pivot-ally mounted detent arranged on the other of said last parts within the kei-f thereof and adapted to cooperate with the abutment to hold the last in an expanded condition, and a bonding member rigidly secured in the kerf of the last part on which the detent is arranged and pivot-ally mounted in the kerf of the other last part, said bonding member hav-- ing a portion extending above the pivot of ,the detent and filling the kerf above said detent.

10. A last comprising two pivotally connected last parts, the opposed faces of-the last parts above the pivot being cut away .to provide a space and the last parts each being provided with a hert, one ot said last parts also being' provided with notches in one wall of the space on opposite sides of the kerf in said wall, an abutment piece fitted in said notches, and a detent pivotallv mounted in thekeri of the opposite wall of the space and adapted to cooperate with said abutment member.

11. A last comprising two pivotally yvonnected last parts, a detent mounted on one of said last parts, and an abutment with which .said detent cooperates to lock the last in an expanded position, said abutment being adjust-able on the other of said last parts to compensate for wear between the abutment and the detent.

12. A last comprising two pivotally connected last parts, a detent pivoted to swing about an axis transversely of the longitudinal axis of the last and an abutment adjustable transversely of the longitudinal axis oit the last to compensate for wear between the abutment and the detent.

13. A last comprising two pivotally connected last parts each provided with a kerf, a detent pivotally mounted in the kerf of one of said last parts, and an abutment for engagement by said detent to lock the last in an expanded condition, said abutment bridging the kerf of the other last part and being adjustable transversely of the kerf to bring different portions thereof in posit-ion 'for engagement by the detent to compensate for wear.

14. A last comprising two movably connected last parts, an abutment on one of said last parts, a pivoted and slidably mounted detent on the other last part for cooperation with the abutment, to lock the last in an expanded position, a device for cooperating with the detent to lock the latter out of: locking relation with the abutment, and a spring acting on the detent to hold the latter in cooperative relation with the abutment or in cooperative relation with the device for locking the detent out of locking relation with the abutment.

15. In a last, a heel part and forepart, a bonding member arranged to permit relative movement of the last parts to collapse the last, a locking member and an abutment against which it presses for holding the last in extended position, said locking member being arranged to hook over the bonding member when moved from last locking position, and an abut-ment arranged to move relatively to the locking member in the last length changing movement and to press against and unhook the locking member.

16. In a last, a heel part and orepart, a

bonding member arranged to permit relative movement of the last parts to collapse the last, a locking member for holding the last in extended position and arranged to hook over the bonding member when moved trom last locking position, and an abutment below the locking member arranged to move relatively to the locking member in the last length changing movement and to press against and unhook the locking member.

17. ln a last, a heel part and a forepart, a bonding plate fast in one part and pivoted in the other to enable the collapsing of 'the last, a locking member with one end mounted in that last part in which the plate is fast, and abutting the other part to hold the last in extended position, and arranged to interlock its other end with the pivoted end of the plate to hold it out of last-locking position when removed therefrom, and a pin located near the pivot of the plate arranged to open the interlock as the length of the last changes.-

18. A last comprising two last parts, a hinge member pivotally connecting said last parts, a detent pivoted and slidably mounted on one last part, an abutment on the other last part arranged to be engaged by the detent to lock the last positively in extended position, the detent being arranged to move downwardly out of cooperation with the abutment and then longitudinally of the last, a cam on the hinge member to give the detent the said longitudinal movement when depressed, a hook on the detent arranged to slip over the cam and hold the detent out of locking position, and a spring arranged to oppose both the said downward movement and the said longitudinal movement ot the detent.

JOHN SCHELTER. 

